* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Inter, system-ui, sans-serif;
}

.container-fluid {
   width: 85%;
   text-align: center;
   align-items: center;
}

nav.navbar .nav-item a{
    color: white;
   align-items: center;
   font-family: Arial, Helvetica, sans-serif;
   transition: all 0.3s ease-in-out;
   margin: -10px;
   text-align: center;
}

nav.navbar .nav-item a:hover{
    color: #01c2be;
   align-items: center;
   font-family: Arial, Helvetica, sans-serif;
   transition: all 0.3s ease-in-out;
}

nav.navbar .nav-item{
 max-width: 900px;
  height: 100%;
}

/*  Navbar  */
nav {
position: absolute !important;
  left: 0;
  top: 0;
  width: 100%;
 z-index: 9999;
}

nav.navbar button{
    border: 0;
    background-color: #01c2be;
    padding: 3px 15px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    border-radius: 20px !important;
}

nav.navbar button:hover{
    background-color: #fff;
    color: #01c2be;
}

nav.navbar .navbar-collapse {
  background-color: inherit;
  text-align: center;
  line-height: 2;
}

/* RESPONSIVE MENU (MOBILE)  */
@media (max-width: 991px) {

  .navbar-collapse {
    position: fixed;
    top: 0;
    right: -100%;
    width: 90%;
    /* max-width: 350px; */
    height: 100vh;
    background: #0E172A;
    z-index: 9999;
    transition: right 0.3s ease-in-out;
    overflow-y: auto;
  
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
  }

  .navbar-collapse.show {
    right: 0;
  }
  /* backdrop */
  .navbar-collapse.show::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
    
  }


  .navbar-nav {
    flex-direction: column;
    gap: 5px;
    text-align: left;
  }

  .nav-item {
    width: 100%;
    max-width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 5px 0;
  }

  .nav-item a {
    display: block;
    padding: 10px 15px;
    margin: 0;
    font-size: 18px;
    border-radius: 8px;
    transition: all 0.3s ease;
  }

  .nav-item a:hover {
    background: rgba(1, 194, 190, 0.2);
    padding-left: 25px;
  }

  
  nav.navbar form {
    margin-top: 20px;
  }

  nav.navbar form button {
    width: 100%;
    padding: 12px 20px;
    font-size: 16px;
  }

  /* Toggle */
  .navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(1, 194, 190, 0.2);
  }

  .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(1, 194, 190, 0.5);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }


  body.menu-open {
    overflow: hidden;

  }
}


/* RESPONSIVE MENU (MOBILE) */
@media (max-width: 991px) {

  .navbar-collapse {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    background: #0E172A;
    z-index: 9999;
    transition: right 0.35s ease-in-out;
    overflow-y: auto;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    padding: 80px 20px 30px; /* مهم: padding-top كبير عشان الـ close button */
  }

  .navbar-collapse.show {
    right: 0;
  }

  /* Backdrop - منفصل عشان يبقى أنضف */
  .navbar-collapse.show::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  .navbar-nav {
    flex-direction: column;
    gap: 6px !important;
    text-align: center;
    width: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .nav-item {
    width: 100%;
    max-width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0; /* شيلت الـ padding القديم */
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  /* أهم تعديل: شيلنا الـ margin: -10px */
  .nav-item a {
    display: block;
    padding: 14px 20px !important;
    margin: 0 !important; /* مهم جداً - يلغي الـ -10px */
    font-size: 16px;
    border-radius: 8px;
    transition: all 0.25s ease;
    color: #fff;
    text-align: center;
  }

  .nav-item a:hover {
    background: rgba(1, 194, 190, 0.15);
    color: #01c2be;
    padding-left: 20px !important; /* مفيش shift غريب */
  }

  /* Active state على الموبايل - بـ padding صح */
  .navbar-nav .nav-item a.nav-link.active {
    background: rgba(1, 194, 190, 0.2);
    color: #01c2be !important;
    border-radius: 8px;
    margin: 0 !important;
  }

  /* Form و زرار الـ trial */
  nav.navbar form {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    padding: 0 10px;
  }

  nav.navbar form button {
    width: auto;
    min-width: 200px;
    padding: 12px 30px;
    font-size: 15px;
    border-radius: 50px !important;
  }

  /* Toggle button */
  .navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(1, 194, 190, 0.2);
  }

  .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(1, 194, 190, 0.5);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  body.menu-open {
    overflow: hidden;
  }
}
.close-menu-btn {
  display: none;
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;  
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1) !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  color: white !important;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  align-items: center;
  justify-content: center;
}
.close-menu-btn:hover {
  background: rgba(255, 0, 0, 0.2) !important;
  border-color: red !important;
  color: red !important;
  transform: rotate(90deg);
}

@media (max-width: 991px) {
  .close-menu-btn {
    display: flex;
  }
}


@media (min-width: 992px) {
    nav.navbar .navbar-collapse {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex-wrap: nowrap !important;
        width: 100% !important;
    }
    nav.navbar .navbar-nav {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        gap: 10px !important;
        margin: 0 auto !important;
        align-items: center !important;
        list-style: none !important;
    }
    nav.navbar .navbar-nav .nav-item {
        flex-shrink: 0 !important;
    }
    nav.navbar .navbar-nav .nav-item .nav-link {
        display: inline-block !important;
        padding: 13px 15px !important;
        white-space: nowrap !important;
        font-size: 16px !important;
    }
    nav.navbar form {
        flex-shrink: 0 !important;
        margin-left: 15px !important;
    }
}
@media (min-width: 1501px) {
    nav.navbar .nav-item a {
        font-size: 20px !important;
        font-weight: 550 !important;
        margin: 0 !important;
        padding: 13px 22px !important;
    }
}

@media (min-width: 1301px) and (max-width: 1500px) {
    nav.navbar .nav-item a {
        font-size: 18px !important;
        font-weight: 550 !important;
        margin: 0 !important;
        padding: 12px 16px !important;
    }
}

@media (min-width: 1151px) and (max-width: 1300px) {
    nav.navbar .nav-item a {
        font-size: 17px !important;
        font-weight: 550 !important;
        margin: 0 !important;
        padding: 10px 12px !important;
    }
}

@media (min-width: 992px) and (max-width: 1150px) {
    nav.navbar .nav-item a {
        font-size: 15px !important;
        font-weight: 550 !important;
        margin: 0 !important;
        padding: 8px 8px !important;
    }
    nav.navbar form button {
        font-size: 13px !important;
        padding: 4px 12px !important;
    }
}



@media (max-width: 1100px) {
    nav.navbar .navbar-nav {
        gap: 2px !important;
    }
    
    nav.navbar .nav-item {
        max-width: none !important;
    }
    
    nav.navbar .nav-item a {
        font-size: 13px !important;
        padding: 8px 6px !important;
    }
    
    nav.navbar form {
        margin-left: 5px !important;
    }
    
    nav.navbar form button {
        font-size: 12px !important;
        padding: 4px 10px !important;
        white-space: nowrap;
    }
    
    nav.navbar .navbar-brand {
        margin-right: 5px;
    }
    
    nav.navbar .navbar-brand img.log {
        width: 35px !important;
    }
}

@media (max-width: 1024px) {
    nav.navbar .nav-item a {
        font-size: 12px !important;
        padding: 6px 4px !important;
    }
    
    nav.navbar form button {
        font-size: 11px !important;
        padding: 3px 8px !important;
    }
}

@media (min-width: 992px) and (max-width: 1100px) {
    nav.navbar .container {
        max-width: 100%;
        padding-inline: 10px;
    }

    nav.navbar .navbar-brand {
        margin-left: 0 !important;
        margin-right: 6px !important;
    }

    nav.navbar .navbar-collapse {
        gap: 6px;
    }

    nav.navbar .navbar-nav {
        flex: 1 1 auto;
        justify-content: center;
        gap: 1px !important;
        min-width: 0;
    }

    nav.navbar .navbar-nav .nav-item .nav-link {
        padding: 7px 5px !important;
        font-size: 12px !important;
        line-height: 1.2;
    }

    nav.navbar form {
        margin-left: 4px !important;
    }

    nav.navbar form button {
        padding: 4px 8px !important;
        font-size: 11px !important;
        line-height: 1.2;
    }
}

@media (min-width: 992px) {
    .navbar-nav .nav-item a.nav-link.active {
        background: rgba(255, 255, 255, 0.1);
        color: #fff !important;
        border-radius: 30px;
        transition: all 0.3s ease;
    }

    .navbar-nav .nav-item a.nav-link.active:hover {
        background: rgba(255, 255, 255, 0.18);
        color: #01c2be !important;
    }

    /* Active state for blog page (light background) */
    .blog-page .navbar-nav .nav-item a.nav-link.active {
        background: rgba(14, 23, 42, 0.1);
        color: #0e172a !important;
    }

    .blog-page .navbar-nav .nav-item a.nav-link.active:hover {
        background: rgba(14, 23, 42, 0.18);
        color: #01c2be !important;
    }

    /* Active state for sArabic page (light background) */
    .sArabic-page .navbar-nav .nav-item a.nav-link.active,
    .single_teacher-page .navbar-nav .nav-item a.nav-link.active {
        background: rgba(255, 255, 255, 0.15);
        color: #fff !important;
    }
}

@media (max-width: 991px) {
    .navbar-nav .nav-item a.nav-link.active {
        background: rgba(1, 194, 190, 0.2);
        color: #01c2be !important;
        border-radius: 8px;
    }
}

@media (max-width: 991px) {
    nav.navbar .navbar-collapse {
        display: flex !important;
        flex-direction: column;
        align-items: stretch;
        top: 0;
        right: -110%;
        width: min(88vw, 340px);
        height: auto !important;
        min-height: 0;
        max-height: 100vh;
        padding: 62px 16px 18px;
        line-height: 1.35;
        background:
            linear-gradient(180deg, rgba(14, 23, 42, 0.98), rgba(3, 7, 18, 0.98));
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-right: 0;
        border-radius: 0 0 0 18px;
        box-shadow: -18px 18px 45px rgba(0, 0, 0, 0.42);
        overflow-y: auto;
        isolation: isolate;
        visibility: visible;
        opacity: 1;
    }

    nav.navbar .navbar-collapse.show {
        right: 0 !important;
        display: flex !important;
    }

    nav.navbar .navbar-collapse.collapsing {
        display: flex !important;
        flex-direction: column;
        height: auto !important;
        transition: right 0.35s ease-in-out;
    }

    nav.navbar .navbar-nav {
        display: flex !important;
        flex-direction: column !important;
        gap: 4px !important;
        width: 100%;
        margin: 0 !important;
        padding: 0;
    }

    nav.navbar .nav-item {
        border-bottom: 0;
        padding: 0;
    }

    nav.navbar .nav-item a.nav-link {
        position: relative;
        padding: 11px 14px !important;
        font-size: 14px !important;
        font-weight: 600;
        line-height: 1.25;
        text-align: left;
        color: rgba(255, 255, 255, 0.86);
        border: 1px solid transparent;
        border-radius: 10px;
        letter-spacing: 0;
    }

    nav.navbar .nav-item a.nav-link:hover,
    nav.navbar .nav-item a.nav-link:focus {
        padding-left: 14px !important;
        color: #fff;
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(255, 255, 255, 0.08);
    }

    nav.navbar .navbar-nav .nav-item a.nav-link.active {
        color: #fff !important;
        background: rgba(1, 194, 190, 0.18);
        border-color: rgba(1, 194, 190, 0.34);
        box-shadow: inset 3px 0 0 #01c2be;
    }

    nav.navbar form {
        margin-top: 16px;
        margin-left: 0 !important;
        padding: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 16px;
    }

    nav.navbar form button {
        width: 100%;
        min-width: 0;
        padding: 11px 18px !important;
        font-size: 14px !important;
        font-weight: 700;
        color: #001f24;
        background: #01c2be;
        border: 1px solid rgba(1, 194, 190, 0.55);
        border-radius: 999px !important;
        box-shadow: 0 10px 24px rgba(1, 194, 190, 0.22);
    }

    nav.navbar form button:hover {
        background: #fff;
        color: #0e172a;
        border-color: #fff;
    }

    nav.navbar .close-menu-btn {
        top: 14px;
        right: 14px;
        width: 38px;
        height: 38px;
        font-size: 14px;
        background: rgba(255, 255, 255, 0.06) !important;
        border: 1px solid rgba(255, 255, 255, 0.16) !important;
        color: rgba(255, 255, 255, 0.88) !important;
        box-shadow: none;
    }

    nav.navbar .close-menu-btn:hover {
        background: rgba(255, 255, 255, 0.12) !important;
        border-color: rgba(255, 255, 255, 0.28) !important;
        color: #fff !important;
        transform: none;
    }
}